71148720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 232556544

約数和(自身を除く): 161407824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 73, 80, 93, 120, 124, 131, 146, 155, 186, 219, 240, 248, 262, 292, 310, 365, 372, 393, 438, 465, 496, 524, 584, 620, 655, 730, 744, 786, 876, 930, 1048, 1095, 1168, 1240, 1310, 1460, 1488, 1572, 1752, 1860, 1965, 2096, 2190, 2263, 2480, 2620, 2920, 3144, 3504, 3720, 3930, 4061, 4380, 4526, 5240, 5840, 6288, 6789, 7440, 7860, 8122, 8760, 9052, 9563, 10480, 11315, 12183, 13578, 15720, 16244, 17520, 18104, 19126, 20305, 22630, 24366, 27156, 28689, 31440, 32488, 33945, 36208, 38252, 40610, 45260, 47815, 48732, 54312, 57378, 60915, 64976, 67890, 76504, 81220, 90520, 95630, 97464, 108624, 114756, 121830, 135780, 143445, 153008, 162440, 181040, 191260, 194928, 229512, 243660, 271560, 286890, 296453, 324880, 382520, 459024, 487320, 543120, 573780, 592906, 765040, 889359, 974640, 1147560, 1185812, 1482265, 1778718, 2295120, 2371624, 2964530, 3557436, 4446795, 4743248, 5929060, 7114872, 8893590, 11858120, 14229744, 17787180, 23716240, 35574360, 71148720]

約数ペア:

[(1, 71148720), (2, 35574360), (3, 23716240), (4, 17787180), (5, 14229744), (6, 11858120), (8, 8893590), (10, 7114872), (12, 5929060), (15, 4743248), (16, 4446795), (20, 3557436), (24, 2964530), (30, 2371624), (31, 2295120), (40, 1778718), (48, 1482265), (60, 1185812), (62, 1147560), (73, 974640), (80, 889359), (93, 765040), (120, 592906), (124, 573780), (131, 543120), (146, 487320), (155, 459024), (186, 382520), (219, 324880), (240, 296453), (248, 286890), (262, 271560), (292, 243660), (310, 229512), (365, 194928), (372, 191260), (393, 181040), (438, 162440), (465, 153008), (496, 143445), (524, 135780), (584, 121830), (620, 114756), (655, 108624), (730, 97464), (744, 95630), (786, 90520), (876, 81220), (930, 76504), (1048, 67890), (1095, 64976), (1168, 60915), (1240, 57378), (1310, 54312), (1460, 48732), (1488, 47815), (1572, 45260), (1752, 40610), (1860, 38252), (1965, 36208), (2096, 33945), (2190, 32488), (2263, 31440), (2480, 28689), (2620, 27156), (2920, 24366), (3144, 22630), (3504, 20305), (3720, 19126), (3930, 18104), (4061, 17520), (4380, 16244), (4526, 15720), (5240, 13578), (5840, 12183), (6288, 11315), (6789, 10480), (7440, 9563), (7860, 9052), (8122, 8760)]